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13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
Signal name Abbreviation Description
Servo motor
power supply
U
V W
Connect to the motor power terminals (U, V, W) of the drive unit. During power-on, do not
open or close the motor power line.
Otherwise, a malfunction or faulty may occur.
Supply power which satisfies the following specifications.
Servo motor
Voltage
division
Voltage/
frequency
Power
consumption
[W]
Rated
current
[A]
HA-LP30K1M, 30K2,
37K2
200V
class
3-phase 200 to 230VAC
50Hz/60Hz
65(50Hz)
85(60Hz)
0.20(50Hz)
0.22(60Hz)
HA-LP30K1, 37K1,
37K1M
120(50Hz)
175(60Hz)
0.65(50Hz)
0.80(60Hz)
HA-LP30K1M4,
30K24, 37K24
400V
class
65(50Hz)
85(60Hz)
0.12(50Hz)
0.14(60Hz)
HA-LP30K14, 37K14,
37K1M4, 45K1M4,
50K1M4, 45K24,
55K24
3-phase 380 to 460VAC
50Hz
3-phase 380 to 480VAC
60Hz
110(50Hz)
150(60Hz)
0.20(50Hz)
0.22(60Hz)
Cooling fan BU BV BW
Motor thermal relay OHS1 OHS2
OHS1-OHS2 are opened when heat is generated to an abnormal temperature.
Maximum rating: 125V AC/DC, 3A or 250V AC/DC, 2A
Minimum rating: 6V AC/DC, 0.15A
Earth terminal For grounding, connect to the earth of the control box via the earth terminal of the drive unit.